package com.example.forum.controller;

import com.example.forum.common.AppResult;
import com.example.forum.common.ResultCode;
import com.example.forum.exception.ApplicationException;
import com.example.forum.model.Board;
import com.example.forum.services.IBoardService;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;
import jakarta.annotation.Resource;
import lombok.NonNull;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

import java.util.ArrayList;
import java.util.List;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: liuli
 * Date: 2024-08-13
 * Time: 16:21
 */
@Slf4j
@Api(tags = "版块接口")
@RestController
@RequestMapping("/board")
public class BoardController {

    // 从配置⽂件中获取主⻚中显⽰的版块个数，默认为9
    @Value("${forum.index.board-num:9}")
    private Integer indexBoardNum;

    @Resource
    private IBoardService boardService;


    /**
     * 查询首页板块
     * @return
     */
    @ApiOperation("获取首页板块列表")
    @GetMapping("/topList")
    public AppResult<List<Board>> topList(){
        log.info("首页版块个数为：" + indexBoardNum);

        List<Board> boards = boardService.selectByNum(indexBoardNum);
        //判断是否为空
        if(boards == null){
            boards = new ArrayList<>();
        }
        //返回结果
        return  AppResult.success(boards);
    }

    @ApiOperation("获取版块信息")
    @GetMapping("/getById")
    public AppResult<Board> getById(@ApiParam("版块id") @RequestParam("id") @NonNull Long id){
        //调用Service
        Board board = boardService.selectById(id);
        //校验
        if(board == null || board.getDeleteState() ==1 ){
            log.warn(ResultCode.FAILED_BOARD_NOT_EXISTS.toString());
            throw new ApplicationException(AppResult.failed(ResultCode.FAILED_BOARD_NOT_EXISTS));
        }
        return  AppResult.success(board);
    }

}
